Symbiotic Relationships and Metamorphosis By: Brianna Shields November 1, 2004.

Symbiotic Relationships and Symbiotic Relationships and MetamorphosisMetamorphosis

By:By:

Brianna ShieldsBrianna Shields

November 1, 2004November 1, 2004

DO NOWDO NOW

Please lay your ecology flashcards out Please lay your ecology flashcards out on your desk ( 4 across x 5 down) with on your desk ( 4 across x 5 down) with the definition side up.the definition side up.

Once I’ve checked yours, take turns Once I’ve checked yours, take turns working with your seat partner to learn working with your seat partner to learn the terms on your flashcards.the terms on your flashcards.

GOALGOAL

To distinguish developmental patterns To distinguish developmental patterns found in various animals found in various animals (Metamorphosis)(Metamorphosis)

To compare several symbiotic To compare several symbiotic relationshipsrelationships

SymbiosisSymbiosis

SymbiosisSymbiosis 1. Close relationship between 1. Close relationship between two organismstwo organisms

2. One lives near, on or in the 2. One lives near, on or in the otherother

SymbiosisSymbiosis

CommensalismCommensalism One organism benefits and the One organism benefits and the other is not effectedother is not effected

Ex:Ex: 1. Tiny mites living on human 1. Tiny mites living on human

eyebrowseyebrows

Eyebrow MitesEyebrow Mites

SymbiosisSymbiosis

MutualismMutualism Both organisms benefitBoth organisms benefit Ex:Ex:

1. Bacteria in the human 1. Bacteria in the human digestive systemdigestive system

Microbes in Human GutMicrobes in Human Gut

SymbiosisSymbiosis

ParasitismParasitism One organism benefits, the One organism benefits, the other is harmedother is harmed Ex: Dog fleasEx: Dog fleas

What type of symbiosis is this?What type of symbiosis is this?

Ruminants in cow gut, digest the Ruminants in cow gut, digest the hay/plant material. Cow food gets hay/plant material. Cow food gets digested, ruminants get a mealdigested, ruminants get a meal

What type of symbiosis is this?What type of symbiosis is this?

Egyptian Plover removes parasitic Egyptian Plover removes parasitic insects from the backs of horses and insects from the backs of horses and cattlecattle

What type of symbiosis is this?What type of symbiosis is this?

Mosquitoes on humansMosquitoes on humans

What type of symbiosis is this?What type of symbiosis is this?

Barnacles on the backs of crabs are fed Barnacles on the backs of crabs are fed as the crab moves through the water- as the crab moves through the water- but, the crab is left unaffectedbut, the crab is left unaffected

What type of symbiosis is this?What type of symbiosis is this?

Remora fish attach themselves by suckers to Remora fish attach themselves by suckers to sharks. This allows them to filter in food sharks. This allows them to filter in food while the shark swims- this relationship has while the shark swims- this relationship has no apparent effect on the sharkno apparent effect on the shark

What type of symbiosis is this?What type of symbiosis is this?

The Yucca Moth obtains food from the Yucca The Yucca Moth obtains food from the Yucca plant- while in return carries pollen from plant plant- while in return carries pollen from plant to plant for reproductionto plant for reproduction

What type of What type of symbiosis is symbiosis is this?this?

Life CyclesLife Cycles

Complete Complete MetamorphosisMetamorphosis

1. Fast, drastic changes in the 1. Fast, drastic changes in the form of an organismform of an organism

2. Appearance looks totally 2. Appearance looks totally different in each stagedifferent in each stage

3. Ex: Butterfly, Ladybug, 3. Ex: Butterfly, Ladybug, FrogFrog

Butterfly Life CycleButterfly Life Cycle

1. Laid under leaves 2. Caterpillar actively eats

3. Cocoon/ Chrysalis protects during development

4. Wings, bright colors sips liquids

Ladybug Life CycleLadybug Life Cycle

1. Yellow rice masses laid on a leaf

2. Long body, 6 legs, actively eats

3. Pupa revealed when larva splits open

4. Mobile (moves a lot)

1. Egg masses laid in water

2. Tadpole/polliwog swims, eats, grows- has gills and tail

3. Tadpole with legs- sprouts arms and legs- has gills and tail

4. Froglet- has lungs, still has tail

5. Adult- no tail, uses lungs

Frog Life CycleFrog Life Cycle

Frog Life CycleFrog Life Cycle

Life CyclesLife Cycles

Incomplete Incomplete MetamorphosisMetamorphosis

1. Slow, gradual changes in 1. Slow, gradual changes in the form of an organismthe form of an organism

2. Appearance doesn’t really 2. Appearance doesn’t really change- young resembles change- young resembles adultadult

3. Ex: Grasshopper3. Ex: Grasshopper

1. Egg on water surface or near water on plants

2. Nymph- actively feeds on algae- stays in water

3. Adult- has wings, leaves water, moves well

What type of metamorphosis does this life What type of metamorphosis does this life cycle represent? Explain…cycle represent? Explain…

What type of metamorphosis does this life What type of metamorphosis does this life cycle represent? Explain…cycle represent? Explain…

What type of metamorphosis does this life What type of metamorphosis does this life cycle represent? Explain…cycle represent? Explain…

What type of metamorphosis does this life What type of metamorphosis does this life cycle represent? Explain…cycle represent? Explain…

What type of metamorphosis does this life What type of metamorphosis does this life cycle represent? Explain…cycle represent? Explain…

What type of metamorphosis does this life What type of metamorphosis does this life cycle represent? Explain…cycle represent? Explain…